Performance change of mammographic CAD schemes optimized with most-recent and prior image databases.

Rationale And Objectives: The authors evaluated performance changes in the detection of masses on "current" (latest) and "prior" images by computer-aided diagnosis (CAD) schemes that had been optimized with databases of current and prior mammograms.

Materials And Methods: The authors selected 260 pairs of matched consecutive mammograms. Each current image depicted one or two verified masses.